Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 306 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
2. 2.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
3. 3.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 24%
4. 4.The simple interest on ₹8000 for 3 years is ₹2400. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 30%
5. 5.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹4130 (b) ₹945 (c) ₹630 (d) ₹315
6. 6.The simple interest on ₹8500 for 2 years is ₹2040. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
7. 7.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3330 (b) ₹4320 (c) ₹990 (d) ₹3990
8. 8.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹900 (b) ₹4500 (c) ₹3600 (d) ₹12600
9. 9.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹2650 (b) ₹50 (c) ₹150 (d) ₹200
10. 10.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5350 (b) ₹6050 (c) ₹5700 (d) ₹700
11. 11.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹1250 (b) ₹300 (c) ₹250 (d) ₹50
12. 12.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
13. 13.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
14. 14.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
15. 15.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 16%
16. 16.In how many years will ₹8000 earn ₹4800 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
17. 17.The simple interest on ₹8500 for 4 years is ₹2380. What is the rate per year? (a) 28% (b) 7% (c) 8% (d) 6%
18. 18.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹2520 (b) ₹630 (c) ₹3150 (d) ₹11520
19. 19.In how many years will ₹2000 earn ₹480 simple interest at 6% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
20. 20.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹950 (b) ₹10450 (c) ₹475 (d) ₹1425
21. 21.What is the simple interest on ₹5500 at 5% per year for 4 years? (a) ₹275 (b) ₹1375 (c) ₹6600 (d) ₹1100
22. 22.What is the simple interest on ₹8500 at 8% per year for 2 years? (a) ₹2040 (b) ₹680 (c) ₹9860 (d) ₹1360
23. 23.What is the simple interest on ₹8000 at 8% per year for 3 years? (a) ₹2560 (b) ₹640 (c) ₹1920 (d) ₹9920
24. 24.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹1440 (b) ₹1200 (c) ₹240 (d) ₹9200
25. 25.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1890 (b) ₹11520 (c) ₹10890 (d) ₹9630
26. 26.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1815 (b) ₹1605 (c) ₹1920 (d) ₹315
27. 27.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 30% (b) 6% (c) 5% (d) 7%
28. 28.₹9500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11400 (b) ₹10450 (c) ₹12350 (d) ₹1900
29. 29.The simple interest on ₹3000 for 3 years is ₹630. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 21%
30. 30.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹140 (b) ₹7560 (c) ₹700 (d) ₹560
31. 31.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹3420 (c) ₹210 (d) ₹420
32. 32.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4445 (b) ₹3815 (c) ₹4760 (d) ₹945
33. 33.In how many years will ₹6000 earn ₹1320 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
34. 34.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
35. 35.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹960 (b) ₹8640 (c) ₹320 (d) ₹640
36. 36.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹180 (b) ₹1080 (c) ₹900 (d) ₹2400
37. 37.In how many years will ₹8500 earn ₹510 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
38. 38.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2060 (b) ₹2180 (c) ₹180 (d) ₹2240
39. 39.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹3480 (b) ₹600 (c) ₹480 (d) ₹120
40. 40.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹3660 (b) ₹330 (c) ₹990 (d) ₹660

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